Trampoline



FIG. 1 is a top perspective view of a trampoline showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is an end elevational view, the opposite end being a mirror image thereof;

FIG. 4 is a side elevational view, the opposite side being a mirror image thereof;

FIG. 5 is a magnified partial view of the spring element of FIG. 1; and,

FIG. 6 is a magnified partial view of the spring element of FIG. 3.

The broken lines depict portions of the trampoline in which the design is embodied that are not considered part of the claimed design. 

CLAIM The ornamental design for a trampoline, as shown and described. 